689541339 has 16 divisors (see below), whose sum is σ = 950390784. Its totient is φ = 444235200.

The previous prime is 689541337. The next prime is 689541353. The reversal of 689541339 is 933145986.

It is not a de Polignac number, because 689541339 - 2¹ = 689541337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (689541337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65902 + ... + 75644.

It is an arithmetic number, because the mean of its divisors is an integer number (59399424).

Almost surely, 2^689541339 is an apocalyptic number.

689541339 is a deficient number, since it is larger than the sum of its proper divisors (260849445).

689541339 is a wasteful number, since it uses less digits than its factorization.

689541339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538.

The product of its digits is 699840, while the sum is 48.

The square root of 689541339 is about 26259.1191588751. The cubic root of 689541339 is about 883.4597525327.

The spelling of 689541339 in words is "six hundred eighty-nine million, five hundred forty-one thousand, three hundred thirty-nine".